/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 22:16:28,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 22:16:28,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 22:16:28,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-07 22:16:28,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-07 22:16:28,178 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-07 22:16:28,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-07 22:16:28,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-07 22:16:28,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-07 22:16:28,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-07 22:16:28,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-07 22:16:28,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-07 22:16:28,189 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-07 22:16:28,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-07 22:16:28,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-07 22:16:28,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-07 22:16:28,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-07 22:16:28,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-07 22:16:28,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-07 22:16:28,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-07 22:16:28,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-07 22:16:28,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-07 22:16:28,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-07 22:16:28,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-07 22:16:28,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-07 22:16:28,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-07 22:16:28,348 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-07 22:16:28,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-07 22:16:28,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-07 22:16:28,350 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-07 22:16:28,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-07 22:16:28,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-07 22:16:28,354 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-07 22:16:28,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-07 22:16:28,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-07 22:16:28,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-07 22:16:28,356 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-07 22:16:28,356 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-07 22:16:28,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-07 22:16:28,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-07 22:16:28,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-07 22:16:28,360 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-07 22:16:28,389 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 22:16:28,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 22:16:28,390 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 22:16:28,390 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 22:16:28,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 22:16:28,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 22:16:28,393 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 22:16:28,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 22:16:28,394 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 22:16:28,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 22:16:28,395 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 22:16:28,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 22:16:28,395 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 22:16:28,395 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 22:16:28,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 22:16:28,396 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 22:16:28,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 22:16:28,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 22:16:28,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 22:16:28,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 22:16:28,397 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 22:16:28,397 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 22:16:28,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 22:16:28,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:16:28,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 22:16:28,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 22:16:28,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 22:16:28,398 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 22:16:28,398 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 22:16:28,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 22:16:28,418 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 22:16:28,418 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 22:16:28,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 22:16:28,419 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 22:16:28,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 22:16:28,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 22:16:28,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 22:16:28,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 22:16:28,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 22:16:28,736 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 22:16:28,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i [2021-08-07 22:16:28,827 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcae8128/14c865ae78464f389f058cdd805d873e/FLAGed0e94ff2 [2021-08-07 22:16:29,291 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 22:16:29,291 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i [2021-08-07 22:16:29,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcae8128/14c865ae78464f389f058cdd805d873e/FLAGed0e94ff2 [2021-08-07 22:16:29,642 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bcae8128/14c865ae78464f389f058cdd805d873e [2021-08-07 22:16:29,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 22:16:29,645 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 22:16:29,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 22:16:29,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 22:16:29,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 22:16:29,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:16:29" (1/1) ... [2021-08-07 22:16:29,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a35c92d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:29, skipping insertion in model container [2021-08-07 22:16:29,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:16:29" (1/1) ... [2021-08-07 22:16:29,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 22:16:29,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 22:16:29,791 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i[950,963] [2021-08-07 22:16:29,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 22:16:29,962 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 22:16:29,972 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_tso.oepc.i[950,963] [2021-08-07 22:16:30,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 22:16:30,034 INFO L208 MainTranslator]: Completed translation [2021-08-07 22:16:30,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30 WrapperNode [2021-08-07 22:16:30,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 22:16:30,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 22:16:30,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 22:16:30,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 22:16:30,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,084 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 22:16:30,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 22:16:30,085 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 22:16:30,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 22:16:30,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 22:16:30,113 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 22:16:30,113 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 22:16:30,113 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 22:16:30,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (1/1) ... [2021-08-07 22:16:30,122 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:16:30,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:16:30,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 22:16:30,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 22:16:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 22:16:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 22:16:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 22:16:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 22:16:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 22:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 22:16:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 22:16:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 22:16:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-07 22:16:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-07 22:16:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 22:16:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 22:16:30,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 22:16:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 22:16:30,172 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 22:16:30,466 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 22:16:30,466 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 22:16:30,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:16:30 BoogieIcfgContainer [2021-08-07 22:16:30,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 22:16:30,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 22:16:30,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 22:16:30,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 22:16:30,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 10:16:29" (1/3) ... [2021-08-07 22:16:30,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5aea7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:16:30, skipping insertion in model container [2021-08-07 22:16:30,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:16:30" (2/3) ... [2021-08-07 22:16:30,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5aea7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:16:30, skipping insertion in model container [2021-08-07 22:16:30,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:16:30" (3/3) ... [2021-08-07 22:16:30,473 INFO L111 eAbstractionObserver]: Analyzing ICFG safe000_tso.oepc.i [2021-08-07 22:16:30,476 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 22:16:30,478 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 22:16:30,478 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 22:16:30,478 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 22:16:30,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,511 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,511 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,512 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,514 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,514 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,515 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,516 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,516 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,516 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,516 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,520 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,521 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,521 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,521 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,521 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,521 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,522 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,525 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,525 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,525 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,526 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,533 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,533 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,535 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,536 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,536 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:16:30,542 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 22:16:30,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 22:16:30,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:16:30,624 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 22:16:30,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 22:16:30,723 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 22:16:30,728 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 22:16:30,728 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-07 22:16:30,937 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:16:30,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:16:30,942 INFO L82 PathProgramCache]: Analyzing trace with hash 286788019, now seen corresponding path program 1 times [2021-08-07 22:16:30,963 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:16:30,964 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179385963] [2021-08-07 22:16:30,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:16:30,964 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:16:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:16:31,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:16:31,154 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:16:31,155 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179385963] [2021-08-07 22:16:31,155 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179385963] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:16:31,155 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:16:31,155 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 22:16:31,156 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077653117] [2021-08-07 22:16:31,162 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 22:16:31,162 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:16:31,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 22:16:31,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 22:16:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:31,175 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:16:31,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:16:31,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:31,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:31,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 22:16:31,190 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:16:31,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:16:31,190 INFO L82 PathProgramCache]: Analyzing trace with hash 66535441, now seen corresponding path program 1 times [2021-08-07 22:16:31,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:16:31,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451104764] [2021-08-07 22:16:31,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:16:31,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:16:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:16:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:16:31,421 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:16:31,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451104764] [2021-08-07 22:16:31,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451104764] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:16:31,421 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:16:31,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 22:16:31,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269136486] [2021-08-07 22:16:31,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 22:16:31,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:16:31,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 22:16:31,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-08-07 22:16:31,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:31,423 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:16:31,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:16:31,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:31,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:32,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-07 22:16:32,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 22:16:32,010 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:16:32,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:16:32,016 INFO L82 PathProgramCache]: Analyzing trace with hash -254521371, now seen corresponding path program 2 times [2021-08-07 22:16:32,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:16:32,017 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673878339] [2021-08-07 22:16:32,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:16:32,017 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:16:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:16:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:16:32,269 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:16:32,270 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673878339] [2021-08-07 22:16:32,270 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673878339] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:16:32,270 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:16:32,270 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 22:16:32,270 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418388960] [2021-08-07 22:16:32,270 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 22:16:32,271 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:16:32,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 22:16:32,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 22:16:32,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:32,274 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:16:32,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:16:32,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:32,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-08-07 22:16:32,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:32,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:32,699 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 22:16:32,700 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:16:32,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:16:32,700 INFO L82 PathProgramCache]: Analyzing trace with hash -750275501, now seen corresponding path program 3 times [2021-08-07 22:16:32,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:16:32,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308752144] [2021-08-07 22:16:32,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:16:32,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:16:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:16:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:16:32,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:16:32,824 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308752144] [2021-08-07 22:16:32,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308752144] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:16:32,824 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:16:32,824 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 22:16:32,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054723864] [2021-08-07 22:16:32,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 22:16:32,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:16:32,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 22:16:32,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 22:16:32,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:32,827 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:16:32,827 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:16:32,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:32,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:32,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:32,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:33,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:16:33,264 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-07 22:16:33,264 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-07 22:16:33,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:16:33,266 INFO L82 PathProgramCache]: Analyzing trace with hash -303458719, now seen corresponding path program 4 times [2021-08-07 22:16:33,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:16:33,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491775987] [2021-08-07 22:16:33,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:16:33,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:16:33,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:16:33,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 22:16:33,358 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:16:33,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491775987] [2021-08-07 22:16:33,358 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491775987] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:16:33,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:16:33,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 22:16:33,359 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246895899] [2021-08-07 22:16:33,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 22:16:33,359 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:16:33,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 22:16:33,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 22:16:33,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:33,360 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:16:33,360 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 22:16:33,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:33,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:33,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:33,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:16:33,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:16:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-07 22:16:33,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:16:33,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:16:33,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 22:16:33,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 22:16:33,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 22:16:33,934 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-07 22:16:33,935 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-07 22:16:33,987 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 22:16:33,987 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 22:16:33,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 10:16:33 BasicIcfg [2021-08-07 22:16:33,988 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 22:16:33,989 INFO L168 Benchmark]: Toolchain (without parser) took 4343.34 ms. Allocated memory was 160.4 MB in the beginning and 302.0 MB in the end (delta: 141.6 MB). Free memory was 123.9 MB in the beginning and 233.1 MB in the end (delta: -109.2 MB). Peak memory consumption was 203.8 MB. Max. memory is 8.0 GB. [2021-08-07 22:16:33,989 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 160.4 MB. Free memory is still 142.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 22:16:33,989 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.28 ms. Allocated memory is still 160.4 MB. Free memory was 123.7 MB in the beginning and 134.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-07 22:16:33,989 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 160.4 MB. Free memory was 134.3 MB in the beginning and 132.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:16:33,990 INFO L168 Benchmark]: Boogie Preprocessor took 27.81 ms. Allocated memory is still 160.4 MB. Free memory was 132.4 MB in the beginning and 130.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:16:33,990 INFO L168 Benchmark]: RCFGBuilder took 355.03 ms. Allocated memory is still 160.4 MB. Free memory was 130.7 MB in the beginning and 107.3 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:16:33,990 INFO L168 Benchmark]: TraceAbstraction took 3519.41 ms. Allocated memory was 160.4 MB in the beginning and 302.0 MB in the end (delta: 141.6 MB). Free memory was 107.0 MB in the beginning and 233.1 MB in the end (delta: -126.1 MB). Peak memory consumption was 187.4 MB. Max. memory is 8.0 GB. [2021-08-07 22:16:33,991 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 160.4 MB. Free memory is still 142.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 386.28 ms. Allocated memory is still 160.4 MB. Free memory was 123.7 MB in the beginning and 134.3 MB in the end (delta: -10.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 48.93 ms. Allocated memory is still 160.4 MB. Free memory was 134.3 MB in the beginning and 132.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.81 ms. Allocated memory is still 160.4 MB. Free memory was 132.4 MB in the beginning and 130.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 355.03 ms. Allocated memory is still 160.4 MB. Free memory was 130.7 MB in the beginning and 107.3 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3519.41 ms. Allocated memory was 160.4 MB in the beginning and 302.0 MB in the end (delta: 141.6 MB). Free memory was 107.0 MB in the beginning and 233.1 MB in the end (delta: -126.1 MB). Peak memory consumption was 187.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 120749, positive: 115778, positive conditional: 114401, positive unconditional: 1377, negative: 4971, negative conditional: 4943, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117439, positive: 115778, positive conditional: 114401, positive unconditional: 1377, negative: 1661, negative conditional: 1633, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117439, positive: 115778, positive conditional: 114401, positive unconditional: 1377, negative: 1661, negative conditional: 1633, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124577, positive: 115778, positive conditional: 114369, positive unconditional: 1409, negative: 8799, negative conditional: 7138, negative unconditional: 1661, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 124577, positive: 115778, positive conditional: 25950, positive unconditional: 89828, negative: 8799, negative conditional: 228, negative unconditional: 8571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124577, positive: 115778, positive conditional: 25950, positive unconditional: 89828, negative: 8799, negative conditional: 228, negative unconditional: 8571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1465, positive: 1426, positive conditional: 31, positive unconditional: 1395, negative: 39, negative conditional: 11, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1465, positive: 1391, positive conditional: 0, positive unconditional: 1391, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 35, positive conditional: 29, positive unconditional: 6, negative: 39, negative conditional: 11, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, positive: 89, positive conditional: 54, positive unconditional: 35, negative: 127, negative conditional: 13, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124577, positive: 114352, positive conditional: 25919, positive unconditional: 88433, negative: 8760, negative conditional: 217, negative unconditional: 8543, unknown: 1465, unknown conditional: 42, unknown unconditional: 1423] , Statistics on independence cache: Total cache size (in pairs): 1465, Positive cache size: 1426, Positive conditional cache size: 31, Positive unconditional cache size: 1395, Negative cache size: 39, Negative conditional cache size: 11, Negative unconditional cache size: 28, Eliminated conditions: 95329, Maximal queried relation: 5, Independence queries for same thread: 3310 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 371, Number of persistent set computation: 4068, Number of trivial persistent sets: 3729, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1405, positive: 1377, positive conditional: 0, positive unconditional: 1377, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 120749, positive: 115778, positive conditional: 114401, positive unconditional: 1377, negative: 4971, negative conditional: 4943, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 117439, positive: 115778, positive conditional: 114401, positive unconditional: 1377, negative: 1661, negative conditional: 1633, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 117439, positive: 115778, positive conditional: 114401, positive unconditional: 1377, negative: 1661, negative conditional: 1633, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 124577, positive: 115778, positive conditional: 114369, positive unconditional: 1409, negative: 8799, negative conditional: 7138, negative unconditional: 1661, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 124577, positive: 115778, positive conditional: 25950, positive unconditional: 89828, negative: 8799, negative conditional: 228, negative unconditional: 8571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 124577, positive: 115778, positive conditional: 25950, positive unconditional: 89828, negative: 8799, negative conditional: 228, negative unconditional: 8571, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1465, positive: 1426, positive conditional: 31, positive unconditional: 1395, negative: 39, negative conditional: 11, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1465, positive: 1391, positive conditional: 0, positive unconditional: 1391, negative: 74, negative conditional: 0, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 74, positive: 35, positive conditional: 29, positive unconditional: 6, negative: 39, negative conditional: 11, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, positive: 89, positive conditional: 54, positive unconditional: 35, negative: 127, negative conditional: 13, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 124577, positive: 114352, positive conditional: 25919, positive unconditional: 88433, negative: 8760, negative conditional: 217, negative unconditional: 8543, unknown: 1465, unknown conditional: 42, unknown unconditional: 1423] , Statistics on independence cache: Total cache size (in pairs): 1465, Positive cache size: 1426, Positive conditional cache size: 31, Positive unconditional cache size: 1395, Negative cache size: 39, Negative conditional cache size: 11, Negative unconditional cache size: 28, Eliminated conditions: 95329, Maximal queried relation: 5, Independence queries for same thread: 3310 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3404.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.9ms, PartialOrderReductionTime: 2227.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 50, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 12.5ms SsaConstructionTime, 119.2ms SatisfiabilityAnalysisTime, 653.9ms InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 947 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 22:16:34,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 22:16:34,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...